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Finding the Fourth Proportional to 101,245.50, 151,752.99 and 45,001.12

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Solution

The fourth proportional to 101,245.50, 151,752.99 and 45,001.12 is: 67,450.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,245.50 : 151,752.99 = 45,001.12 : x
  2. Step 2: Convert to fraction form
    101,245.50/151,752.99 = 45,001.12/x
  3. Step 3: Cross multiply
    101,245.50x = 151,752.99 × 45,001.12
  4. Step 4: Simplify right side
    101,245.50x = 6,829,054,513.35
  5. Step 5: Solve for x
    x = 6,829,054,513.35/101,245.50
  6. Step 6: Final answer
    x = 67,450.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.